From 5e635a27701c8565f78feed6a9dce51b09662bde Mon Sep 17 00:00:00 2001
From: Jaakko Heinonen <jheinonen@users.sourceforge.net>
Date: Tue, 8 Oct 2002 15:53:17 +0000
Subject: [PATCH] added option add_email_prevent_duplicates

---
 abook.c        | 10 ++++++++++
 options.c      |  2 ++
 options.h      |  1 +
 sample.abookrc |  1 +
 4 files changed, 14 insertions(+)

diff --git a/abook.c b/abook.c
index 7bc654d..d4de3ec 100644
--- a/abook.c
+++ b/abook.c
@@ -723,6 +723,16 @@ add_email_add_item(int quiet, char *name, char *email)
 {
 	list_item item;
 
+	if(opt_get_bool(BOOL_ADD_EMAIL_PREVENT_DUPLICATES)) {
+		int search_fields[] = { EMAIL, -1 };
+		if(find_item(email, 0, search_fields) >= 0) {
+			if(!quiet)
+				printf("Address %s already in addressbook\n",
+						email);
+			return 0;
+		}
+	}
+					
 	if(!quiet) {
 		FILE *in = fopen("/dev/tty", "r");
 		char c;
diff --git a/options.c b/options.c
index fa05313..3947a38 100644
--- a/options.c
+++ b/options.c
@@ -64,6 +64,8 @@ static struct option abook_vars[] = {
 
 	{ "use_ascii_only", OT_BOOL, BOOL_USE_ASCII_ONLY, FALSE },
 
+	{ "add_email_prevent_duplicates", OT_BOOL, BOOL_ADD_EMAIL_PREVENT_DUPLICATES, FALSE },
+
 	{ NULL }
 };
 
diff --git a/options.h b/options.h
index 13e9709..a22a6a6 100644
--- a/options.h
+++ b/options.h
@@ -17,6 +17,7 @@ enum bool_opts {
 	BOOL_SHOW_ALL_EMAILS,
 	BOOL_MUTT_RETURN_ALL_EMAILS,
 	BOOL_USE_ASCII_ONLY,
+	BOOL_ADD_EMAIL_PREVENT_DUPLICATES,
 	BOOL_MAX
 };
 
diff --git a/sample.abookrc b/sample.abookrc
index 9809767..a5359df 100644
--- a/sample.abookrc
+++ b/sample.abookrc
@@ -47,3 +47,4 @@ set address_style=eu
 # use ASCII characters only
 set use_ascii_only=false
 
+set add_email_prevent_duplicates=false
-- 
2.39.2